* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-dark: #0a0a0f;
  --bg-section: #12121a;
  --border-primary: #e6007a;
  --border-secondary: #3a3a4a;
  --text-primary: #e0e0e4;
  --text-secondary: #808088;
  --text-accent: #a0b8c8;
  --text-highlight: #e6007a;
  --btn-bg: #e6007a;
  --btn-hover: #ff1493;
  --success: #50c878;
  --warning: #d4a030;
  --error: #c05050;
  --shadow: 4px 4px 0 #e6007a;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.5;
  padding: 20px;
  min-height: 100vh;
}

.terminal {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  background: var(--bg-section);
  border: 2px solid var(--border-primary);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.header {
  background: var(--border-primary);
  color: #fff;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
}

.status {
  padding: 12px 16px;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border-secondary);
  font-size: 12px;
}

.section {
  margin: 0;
  border-bottom: 1px solid var(--border-secondary);
}

.section:last-of-type {
  border-bottom: none;
}

.section-title {
  background: var(--bg-dark);
  color: var(--text-accent);
  padding: 10px 16px;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border-secondary);
}

.section-content {
  padding: 16px;
  background: var(--bg-section);
}

.section-footer {
  display: none;
}

.output {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border-secondary);
  border-left: 3px solid var(--border-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: inherit;
  font-size: 12px;
  min-height: 60px;
  color: var(--text-secondary);
}

.output:empty::before {
  content: 'output will appear here...';
  color: var(--border-secondary);
  font-style: italic;
}

.btn {
  background: var(--btn-bg);
  color: #fff;
  border: 2px solid var(--btn-bg);
  padding: 8px 16px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 4px 8px 4px 0;
  display: inline-block;
  transition: all 0.15s ease;
  box-shadow: 2px 2px 0 rgba(230, 0, 122, 0.3);
}

.btn:hover:not(:disabled) {
  background: var(--btn-hover);
  border-color: var(--btn-hover);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 rgba(230, 0, 122, 0.4);
}

.btn:active:not(:disabled) {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 rgba(230, 0, 122, 0.2);
}

.btn:disabled {
  background: var(--border-secondary);
  color: #666;
  border-color: var(--border-secondary);
  cursor: not-allowed;
  box-shadow: none;
}

select {
  background: var(--bg-dark);
  color: var(--text-primary);
  border: 1px solid var(--border-secondary);
  padding: 8px 12px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  outline: none;
}

select:hover {
  border-color: var(--border-primary);
}

select:focus {
  border-color: var(--border-primary);
  box-shadow: 0 0 0 1px var(--border-primary);
}

label {
  color: var(--text-secondary);
  margin-right: 8px;
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
}

.ok {
  color: var(--success);
  font-weight: 600;
}

.warn {
  color: var(--warning);
  font-weight: 600;
}

.err {
  color: var(--error);
  font-weight: 600;
}

.footer {
  padding: 16px;
  background: var(--bg-dark);
  color: var(--text-secondary);
  text-align: center;
  font-size: 11px;
  border-top: 1px solid var(--border-secondary);
}

.footer a {
  color: var(--text-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer a:hover {
  color: var(--border-primary);
}

/* Performance tips panel */
#perf-tips {
  margin: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  border-bottom: 1px solid var(--border-secondary) !important;
}

#perf-tips details {
  background: var(--bg-dark);
}

#perf-tips summary {
  padding: 12px 16px;
  cursor: pointer;
  color: var(--text-accent);
  font-size: 12px;
  font-weight: 500;
  user-select: none;
  list-style: none;
}

#perf-tips summary::-webkit-details-marker {
  display: none;
}

#perf-tips summary::before {
  content: '▸ ';
}

#perf-tips[open] summary::before,
#perf-tips details[open] summary::before {
  content: '▾ ';
}

#perf-tips > details > div {
  padding: 0 16px 16px 16px;
  background: var(--bg-section);
  border-top: 1px solid var(--border-secondary);
}

#perf-tips p {
  margin: 12px 0 4px 0;
  color: var(--text-primary);
  font-weight: 500;
}

#perf-tips ul {
  margin: 4px 0 12px 20px;
  color: var(--text-secondary);
}

#perf-tips li {
  margin: 4px 0;
}

#perf-tips pre {
  background: var(--bg-dark) !important;
  padding: 12px !important;
  border: 1px solid var(--border-secondary) !important;
  border-left: 3px solid var(--border-primary) !important;
  border-radius: 0 !important;
  font-size: 11px;
  overflow-x: auto;
}

#perf-tips code {
  background: var(--bg-dark);
  padding: 2px 6px;
  border: 1px solid var(--border-secondary);
  font-size: 11px;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  body {
    padding: 10px;
  }

  .section-content {
    padding: 12px;
  }

  .btn {
    padding: 8px 12px;
    font-size: 10px;
  }

  select {
    width: 100%;
    margin-bottom: 8px;
  }

  label {
    display: block;
    margin-bottom: 4px;
  }
}